An unlimited number of Alarms & Reminders will help ensure that you do not miss anything important in your life. Alarms can show a message and/or play sound. Alarms can be customised to a high level, try it and see!
Render Labels feature will help keep your clocks in order. Just add London, Chicago, New York or any text labels to the corresponding clock. Font, position, color, transparency, shadow and more, all customisable to meet your requirements. Labels can be placed even bellow or above clock face.
Postprocessing feature allow you to customize any clock Hue, Saturation, Brightness & Contrast. You can chage ANY skin color scheme as you wish. New Render Reflection feature makes clock even more realistic...
Atomic Time Clock Synchronization PerfectClock can keep your computer time accurate using public SNTP servers. You can adjust synchronization options or disable this feature.

Homepage:http://www.perfectclock.com/